What does CUSIP 453204109 represent in this 13F holders report?

CUSIP 453204109 is the security identifier for PI - IMPINJ INC - Common Stock used to aggregate holder disclosures.

How many institutions held PI - IMPINJ INC - Common Stock in Q4 2021?

173 institutional investors reported PI - IMPINJ INC - Common Stock for Q4 2021. Use the holders table for investor-level position and value details.

IMPINJ INC - Common Stock (PI)

CUSIP: 453204109

Q4 2021 13F Holders as of 31 Dec 2021

Type / Class: Equity / Common Stock
Shares outstanding: 30,110,426
Total 13F shares: 21,465,592
Share change: -275,640
Total reported value: $1,903,145,872
Put/Call ratio: 62%
Price per share: $88.70
Number of holders: 173
Value change: -$11,554,157
Number of buys: 84
Number of sells: 75

Quarterly Holders Quick Answers

What is CUSIP 453204109?
CUSIP 453204109 identifies PI - IMPINJ INC - Common Stock in SEC institutional holdings data.

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Related Filing Research

Latest 13F filings for newly reported positions.
Latest Schedule 13D/13G reports for ownership changes outside 13F cadence.
Latest 10-Q/10-K reports for financial context tied to this issuer.
Recent insider transactions for executive and insider activity.
SEC investors directory and top value investors for manager drilldown.
Back to full security ownership history.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2022
Previous quarter: Q3 2021

Recent filing periods for CUSIP 453204109:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of PI - IMPINJ INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Sylebra Capital Ltd	13F	Company	15%	4,397,337	$251,220,000	—	30 Sep 2021	13F
Chevy Chase Trust Holdings, LLC	13F	Company	6.1%	1,836,955	$104,946,000	—	30 Sep 2021	13F
GILDER GAGNON HOWE & CO LLC	13F	Company	5.3%	1,593,423	$91,032,000	—	30 Sep 2021	13F
BlackRock Finance, Inc.	13F	Company	4.5%	1,342,054	$76,671,000	—	30 Sep 2021	13F
VANGUARD GROUP INC	13F	Company	3.3%	988,752	$56,488,000	—	30 Sep 2021	13F
FRED ALGER MANAGEMENT, LLC	13F	Company	3.2%	960,081	$54,850,000	—	30 Sep 2021	13F
JANUS HENDERSON GROUP PLC	13F	Company	2.3%	688,116	$39,278,000	—	30 Sep 2021	13F
STATE STREET CORP	13F	Company	2.2%	665,845	$38,040,000	—	30 Sep 2021	13F
DRIEHAUS CAPITAL MANAGEMENT LLC	13F	Company	2.2%	658,025	$37,593,000	—	30 Sep 2021	13F
Toronado Partners, LLC	13F	Company	2.1%	620,245	$35,435,000	—	30 Sep 2021	13F
AWM Investment Company, Inc.	13F	Company	1.6%	492,477	$28,135,000	—	30 Sep 2021	13F
Neuberger Berman Group LLC	13F	Company	1.2%	367,943	$20,673,000	—	30 Sep 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.1%	321,316	$18,356,000	—	30 Sep 2021	13F
MORGAN STANLEY	13F	Company	0.94%	284,075	$16,230,000	—	30 Sep 2021	13F
Polar Asset Management Partners Inc.	13F	Company	0.93%	281,381	$16,075,000	—	30 Sep 2021	13F
Intrinsic Edge Capital Management LLC	13F	Company	0.77%	231,548	$13,228,000	—	30 Sep 2021	13F
D. E. Shaw & Co., Inc.	13F	Company	0.7%	209,579	$11,973,000	—	30 Sep 2021	13F
NORTHERN TRUST CORP	13F	Company	0.69%	208,669	$11,920,000	—	30 Sep 2021	13F
JACOB ASSET MANAGEMENT OF NEW YORK LLC	13F	Company	0.68%	205,143	$11,720,000	—	30 Sep 2021	13F
DEUTSCHE BANK AG\	13F	Company	0.68%	204,871	$11,704,000	—	30 Sep 2021	13F
LORD, ABBETT & CO. LLC	13F	Company	0.65%	195,973	$11,196,000	—	30 Sep 2021	13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND	13F	Company	0.6%	180,200	$10,295,000	—	30 Sep 2021	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.59%	177,000	$10,112,000	—	30 Sep 2021	13F
Cinctive Capital Management LP	13F	Company	0.58%	175,000	$9,998,000	—	30 Sep 2021	13F
JPMORGAN CHASE & CO	13F	Company	0.52%	156,424	$8,937,000	—	30 Sep 2021	13F
SCOUT INVESTMENTS, INC.	13F	Company	0.52%	155,797	$8,901,000	—	30 Sep 2021	13F
WASATCH ADVISORS LP	13F	Company	0.5%	151,070	$8,631,000	—	30 Sep 2021	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.48%	144,685	$8,265,854	—	30 Sep 2021	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.47%	141,554	$8,087,000	—	30 Sep 2021	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.47%	141,359	$8,076,000	—	30 Sep 2021	13F
Nuveen Asset Management, LLC	13F	Company	0.46%	138,555	$7,953,000	—	30 Sep 2021	13F
Taylor Frigon Capital Management LLC	13F	Company	0.44%	131,833	$7,532,000	—	30 Sep 2021	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.43%	130,463	$7,454,000	—	30 Sep 2021	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.42%	127,363	$7,276,000	—	30 Sep 2021	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	0.4%	121,386	$6,935,000	—	30 Sep 2021	13F
STATE OF WISCONSIN INVESTMENT BOARD	13F	Company	0.34%	102,000	$5,827,000	—	30 Sep 2021	13F
Atika Capital Management LLC	13F	Company	0.34%	101,000	$5,771,000	—	30 Sep 2021	13F
BNP PARIBAS FINANCIAL MARKETS	13F	Company	0.33%	99,369	$5,676,951	—	30 Sep 2021	13F
NEXT CENTURY GROWTH INVESTORS LLC	13F	Company	0.32%	97,768	$5,585,000	—	30 Sep 2021	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.32%	95,800	$5,473,000	—	30 Sep 2021	13F
Portolan Capital Management, LLC	13F	Company	0.32%	94,941	$5,424,000	—	30 Sep 2021	13F
UBS Group AG	13F	Company	0.31%	94,755	$5,413,000	—	30 Sep 2021	13F
Polar Capital Holdings Plc	13F	Company	0.3%	91,039	$5,201,000	—	30 Sep 2021	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.28%	84,026	$4,800,000	—	30 Sep 2021	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.28%	83,001	$4,741,000	—	30 Sep 2021	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.26%	78,558	$4,487,000	—	30 Sep 2021	13F
Mirae Asset Global Investments Co., Ltd.	13F	Company	0.21%	63,210	$3,611,000	—	30 Sep 2021	13F
Bank of New York Mellon Corp	13F	Company	0.2%	61,269	$3,500,000	—	30 Sep 2021	13F
ROYCE & ASSOCIATES LP	13F	Company	0.2%	61,000	$3,485,000	—	30 Sep 2021	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.16%	47,463	$2,712,000	—	30 Sep 2021	13F

Institutional Holders of IMPINJ INC - Common Stock (PI) as of Q4 2021

As of 31 Dec 2021, IMPINJ INC - Common Stock (PI) was held by 173 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 21,465,592 shares. The largest 10 holders included Sylebra Capital Ltd, CHEVY CHASE TRUST HOLDINGS, INC., GILDER GAGNON HOWE & CO LLC, BlackRock Inc., VANGUARD GROUP INC, Invesco Ltd., DRIEHAUS CAPITAL MANAGEMENT LLC, STATE STREET CORP, JANUS HENDERSON GROUP PLC, and Allspring Global Investments Holdings, LLC. This page lists 173 institutional shareholders reporting positions in this security for the Q4 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2021 vs Q3 2021 Across Filers

Q3 2021 holders

154

Q4 2021 holders

173

Holder diff

Investor	Q3 2021 Shares	Q4 2021 Shares	Share Diff	Share Chg %	Q3 2021 Value $	Q4 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.